Temperature detecting circuit and method

摘要: The invention provides a temperature detecting circuit and method. includes preset voltage terminal, first resistor, current source, an analog-to-digital converter, wherein two ends of the resistor are respectively connected to terminal node; source is configured generate at node according ambient terminal; converter convert analog signal into second digitalsignal; converter; obtain corresponding detection value voltage. embodiment can which enables still work normally under low power voltage, method thus applicable application scene.